75464705 has 4 divisors (see below), whose sum is σ = 90557652. Its totient is φ = 60371760.

The previous prime is 75464689. The next prime is 75464707. The reversal of 75464705 is 50746457.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50746457 = 167 ⋅303871.

It can be written as a sum of positive squares in 2 ways, for example, as 31494544 + 43970161 = 5612^2 + 6631^2 .

It is not a de Polignac number, because 75464705 - 2⁴ = 75464689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75464707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7546466 + ... + 7546475.

It is an arithmetic number, because the mean of its divisors is an integer number (22639413).

It is a Proth number, since it is equal to 2303 ⋅ 2¹⁵ + 1 and 2303 < 2¹⁵.

Almost surely, 2^75464705 is an apocalyptic number.

It is an amenable number.

75464705 is a deficient number, since it is larger than the sum of its proper divisors (15092947).

75464705 is a wasteful number, since it uses less digits than its factorization.

75464705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15092946.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 75464705 is about 8687.0423620471. The cubic root of 75464705 is about 422.5855340756.

The spelling of 75464705 in words is "seventy-five million, four hundred sixty-four thousand, seven hundred five".